package com.ruoyi.auth.service;

import com.ruoyi.auth.domain.ClassStudent;
import com.ruoyi.auth.form.ForgetPasswordBody;
import com.ruoyi.auth.mapper.ClassStudentMapper;
import com.ruoyi.system.api.domain.PhoneRegisterBody;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
import com.ruoyi.common.core.constant.CacheConstants;
import com.ruoyi.common.core.constant.Constants;
import com.ruoyi.common.core.constant.SecurityConstants;
import com.ruoyi.common.core.constant.UserConstants;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.core.enums.UserStatus;
import com.ruoyi.common.core.exception.ServiceException;
import com.ruoyi.common.core.text.Convert;
import com.ruoyi.common.core.utils.DateUtils;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.utils.ip.IpUtils;
import com.ruoyi.common.redis.service.RedisService;
import com.ruoyi.common.security.utils.SecurityUtils;
import com.ruoyi.system.api.RemoteUserService;
import com.ruoyi.system.api.domain.SysUser;
import com.ruoyi.system.api.model.LoginUser;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;

/**
 * 登录校验方法
 *
 * @author ruoyi
 */
@Component
public class SysLoginService
{
    @Autowired
    private RemoteUserService remoteUserService;

    @Autowired
    private SysPasswordService passwordService;

    @Autowired
    private SysRecordLogService recordLogService;

    @Autowired
    private RedisService redisService;
    @Autowired
    public RedisTemplate redisTemplate;

    @Autowired
    private IClassStudentService classStudentService;

    /**
     * 登录
     */
    public LoginUser login(String username, String password)
    {
        // 用户名或密码为空 错误
        if (StringUtils.isAnyBlank(username, password))
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户/密码必须填写");
            throw new ServiceException("用户/密码必须填写");
        }
        // 密码如果不在指定范围内 错误
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH)
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户密码不在指定范围");
            throw new ServiceException("用户密码不在指定范围");
        }
        // 用户名不在指定范围内 错误
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH)
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户名不在指定范围");
            throw new ServiceException("用户名不在指定范围");
        }
        // IP黑名单校验
        String blackStr = Convert.toStr(redisService.getCacheObject(CacheConstants.SYS_LOGIN_BLACKIPLIST));
        if (IpUtils.isMatchedIp(blackStr, IpUtils.getIpAddr()))
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "很遗憾，访问IP已被列入系统黑名单");
            throw new ServiceException("很遗憾，访问IP已被列入系统黑名单");
        }
        // 查询用户信息
        R<LoginUser> userResult = remoteUserService.getUserInfo(username, SecurityConstants.INNER);

        if (R.FAIL == userResult.getCode())
        {
            throw new ServiceException(userResult.getMsg());
        }

        LoginUser userInfo = userResult.getData();
        SysUser user = userResult.getData().getSysUser();
        if (UserStatus.DELETED.getCode().equals(user.getDelFlag()))
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "对不起，您的账号已被删除");
            throw new ServiceException("对不起，您的账号：" + username + " 已被删除");
        }
        if (UserStatus.DISABLE.getCode().equals(user.getStatus()))
        {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户已停用，请联系管理员");
            throw new ServiceException("对不起，您的账号：" + username + " 已停用");
        }
        passwordService.validate(user, password);
        recordLogService.recordLogininfor(username, Constants.LOGIN_SUCCESS, "登录成功");
        recordLoginInfo(user.getUserId());
        return userInfo;
    }

    /**
     * 记录登录信息
     *
     * @param userId 用户ID
     */
    public void recordLoginInfo(Long userId)
    {
        SysUser sysUser = new SysUser();
        sysUser.setUserId(userId);
        // 更新用户登录IP
        sysUser.setLoginIp(IpUtils.getIpAddr());
        // 更新用户登录时间
        sysUser.setLoginDate(DateUtils.getNowDate());
        remoteUserService.recordUserLogin(sysUser, SecurityConstants.INNER);
    }

    public void logout(String loginName)
    {
        recordLogService.recordLogininfor(loginName, Constants.LOGOUT, "退出成功");
    }

    /**
     * 注册
     */
    public void register(String username, String password)
    {
        // 用户名或密码为空 错误
        if (StringUtils.isAnyBlank(username, password))
        {
            throw new ServiceException("用户/密码必须填写");
        }
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH)
        {
            throw new ServiceException("账户长度必须在2到20个字符之间");
        }
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH)
        {
            throw new ServiceException("密码长度必须在5到20个字符之间");
        }

        // 注册用户信息
        SysUser sysUser = new SysUser();
        sysUser.setUserName(username);
        sysUser.setNickName(username);
        sysUser.setPwdUpdateDate(DateUtils.getNowDate());
        sysUser.setPassword(SecurityUtils.encryptPassword(password));
        R<?> registerResult = remoteUserService.registerUserInfo(sysUser, SecurityConstants.INNER);

        if (R.FAIL == registerResult.getCode())
        {
            throw new ServiceException(registerResult.getMsg());
        }
        recordLogService.recordLogininfor(username, Constants.REGISTER, "注册成功");
    }

    public void phoneRegister(PhoneRegisterBody phoneRegisterBody) {
        // 注册用户信息
//        PhoneRegisterBody sysUser1 = new PhoneRegisterBody();
        //手机号注册（账号,昵称,密码都为 youke2025910）
        // 获取当前日期
        Date now = new Date();

        // 格式化日期为 yyyyMMdd 格式
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
        String dateStr = sdf.format(now);
//        String username= "youke"+phoneRegisterBody.getPhonenumber();
//        String password= "youke"+phoneRegisterBody.getPhonenumber();
        String username= phoneRegisterBody.getUsername();
        String password= phoneRegisterBody.getPassword();
//        String nickName= phoneRegisterBody.getNickName();
//        phoneRegisterBody.setPhonenumber(phoneRegisterBody.getPhonenumber());
//        phoneRegisterBody.setUserName(username);
//        phoneRegisterBody.setNickName(nickName);
        phoneRegisterBody.setPwdUpdateDate(DateUtils.getNowDate());
        phoneRegisterBody.setPassword(SecurityUtils.encryptPassword(password));
        phoneRegisterBody.setCreateBy(SecurityUtils.getUsername());
        phoneRegisterBody.setCreateTime(new Date());
        System.out.println("phoneRegisterBody =" + phoneRegisterBody);
        R<?> registerResult = remoteUserService.phoneRegisterUserInfo(phoneRegisterBody, SecurityConstants.INNER);

        if (R.FAIL == registerResult.getCode())
        {
            throw new ServiceException(registerResult.getMsg());
        }
        recordLogService.recordLogininfor(username, Constants.REGISTER, "注册成功");
    }

    public LoginUser phoneLogin(String phone, String code,String uuid) {
        // 手机号/验证码为空 错误
        if (StringUtils.isAnyBlank(phone, code))
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "手机号/验证码必须填写");
            throw new ServiceException("手机号/验证码必须填写");
        }
        // 从Redis中获取存储的验证码
        String storedCode = String.valueOf(redisTemplate.opsForValue().get(phone+uuid));

        if (storedCode == null) {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "验证码已过期，请重新发送");
            throw new ServiceException("验证码已过期，请重新发送");
        }

        if (!storedCode.equals(code)) {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "验证码错误");
            throw new ServiceException("验证码错误！");
        }
        // 查询用户信息
        R<LoginUser> userResult = remoteUserService.selectUserByPhonenNmber(phone, SecurityConstants.INNER);
        if (R.FAIL == userResult.getCode())
        {
            throw new ServiceException(userResult.getMsg());
        }

        LoginUser userInfo = userResult.getData();
        SysUser user = userResult.getData().getSysUser();
        if (UserStatus.DELETED.getCode().equals(user.getDelFlag()))
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "对不起，您的账号已被删除");
            throw new ServiceException("对不起，您的手机号：" + phone + " 未注册");
        }
        if (UserStatus.DISABLE.getCode().equals(user.getStatus()))
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "用户已停用，请联系管理员");
            throw new ServiceException("对不起，您的用户：" + phone + " 已停用");
        }
        recordLogService.recordLogininfor(phone, Constants.LOGIN_SUCCESS, "登录成功");
        recordLoginInfo(user.getUserId());
        return userInfo;
    }

    public LoginUser examLogin(String phone, String code,String uuid,String name,String idNumber,String trainingClassId) {
        System.out.println(name+idNumber);
        // 手机号/验证码为空 错误
        if (StringUtils.isAnyBlank(phone, code,name,idNumber))
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "手机号/验证码必须填写");
            throw new ServiceException("手机号/验证码必须填写");
        }
        // 从Redis中获取存储的验证码
        String storedCode = String.valueOf(redisTemplate.opsForValue().get(phone+uuid));

        if (storedCode == null) {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "验证码已过期，请重新发送");
            throw new ServiceException("验证码已过期，请重新发送");
        }

        if (!storedCode.equals(code)) {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "验证码错误");
            throw new ServiceException("验证码错误！");
        }
        // 查询用户信息
        R<LoginUser> userResult = remoteUserService.selectUserByPhonenNmber(phone, SecurityConstants.INNER);
        if (R.FAIL == userResult.getCode())
        {
            throw new ServiceException(userResult.getMsg()+"对不起，您的手机号：" + phone + " 未注册");
        }

        LoginUser userInfo = userResult.getData();
        SysUser user = userResult.getData().getSysUser();
        if ( !name.equals(user.getUserName()) && !idNumber.equals(user.getIdNumber())){
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "对不起，您的手机号与姓名，身份证号不匹配,请确认后再次登录");
            throw new ServiceException("对不起，您的手机号与姓名，身份证号不匹配,请确认后再次登录");
        }
        if (UserStatus.DELETED.getCode().equals(user.getDelFlag()))
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "对不起，您的账号已被删除");
            throw new ServiceException("对不起，您的手机号：" + phone + " 未注册");
        }
        if (UserStatus.DISABLE.getCode().equals(user.getStatus()))
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "用户已停用，请联系管理员");
            throw new ServiceException("对不起，您的用户：" + phone + " 已停用");
        }
        //判断该用户是否在班级中有排考
        String studentId = user.getStudentId();
        List<ClassStudent> classStudentList = classStudentService.selectClassStudentByClassStudentIdAndClassId(studentId,trainingClassId);
        if (classStudentList.isEmpty()){
            throw new ServiceException("对不起，您不在当前考试名单中，请联系管理员");
        }

        recordLogService.recordLogininfor(phone, Constants.LOGIN_SUCCESS, "登录成功");
        recordLoginInfo(user.getUserId());
        return userInfo;
    }

    public LoginUser gradeOrCertificateLogin(String phone, String code,String uuid,String name,String idNumber) {
        System.out.println(name+idNumber);
        // 手机号/验证码为空 错误
        if (StringUtils.isAnyBlank(phone, code,name,idNumber))
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "手机号/验证码必须填写");
            throw new ServiceException("手机号/验证码必须填写");
        }
        // 从Redis中获取存储的验证码
        String storedCode = String.valueOf(redisTemplate.opsForValue().get(phone+uuid));

        if (storedCode == null) {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "验证码已过期，请重新发送");
            throw new ServiceException("验证码已过期，请重新发送");
        }

        if (!storedCode.equals(code)) {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "验证码错误");
            throw new ServiceException("验证码错误！");
        }
        // 查询用户信息
        R<LoginUser> userResult = remoteUserService.selectUserByPhonenNmber(phone, SecurityConstants.INNER);
        if (R.FAIL == userResult.getCode())
        {
            throw new ServiceException(userResult.getMsg()+"对不起，您的手机号：" + phone + " 未注册");
        }

        LoginUser userInfo = userResult.getData();
        SysUser user = userResult.getData().getSysUser();
        if ( !name.equals(user.getUserName()) && !idNumber.equals(user.getIdNumber())){
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "对不起，您的手机号与姓名，身份证号不匹配,请确认后再次登录");
            throw new ServiceException("对不起，您的手机号与姓名，身份证号不匹配,请确认后再次登录");
        }
        if (UserStatus.DELETED.getCode().equals(user.getDelFlag()))
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "对不起，您的账号已被删除");
            throw new ServiceException("对不起，您的手机号：" + phone + " 未注册");
        }
        if (UserStatus.DISABLE.getCode().equals(user.getStatus()))
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "用户已停用，请联系管理员");
            throw new ServiceException("对不起，您的用户：" + phone + " 已停用");
        }
        recordLogService.recordLogininfor(phone, Constants.LOGIN_SUCCESS, "登录成功");
        recordLoginInfo(user.getUserId());
        return userInfo;
    }

    public void forgetPassword(ForgetPasswordBody forgetPasswordBody) {
        String phone =forgetPasswordBody.getPhone();
        String code =forgetPasswordBody.getCode();
        String uuid =forgetPasswordBody.getUuid();
        // 手机号/验证码为空 错误
        if (StringUtils.isAnyBlank(phone, code))
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "手机号/验证码必须填写");
            throw new ServiceException("手机号/验证码必须填写");
        }
        // 从Redis中获取存储的验证码
        String storedCode = String.valueOf(redisTemplate.opsForValue().get(phone+uuid));

        if (storedCode == null) {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "验证码已过期，请重新发送");
            throw new ServiceException("验证码已过期，请重新发送");
        }

        if (!storedCode.equals(code)) {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "验证码错误");
            throw new ServiceException("验证码错误！");
        }
        // 查询用户信息
        R<LoginUser> userResult = remoteUserService.selectUserByPhonenNmber(phone, SecurityConstants.INNER);
        if (R.FAIL == userResult.getCode())
        {
            throw new ServiceException(userResult.getMsg());
        }
        SysUser user = userResult.getData().getSysUser();
        if (UserStatus.DELETED.getCode().equals(user.getDelFlag()))
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "对不起，您的账号已被删除");
            throw new ServiceException("对不起，您的手机号：" + phone + " 未注册");
        }
        if (UserStatus.DISABLE.getCode().equals(user.getStatus()))
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "用户已停用，请联系管理员");
            throw new ServiceException("对不起，您的用户：" + phone + " 已停用");
        }
        // 重置密码
        SysUser sysUser =new SysUser();
        sysUser.setUserId(userResult.getData().getSysUser().getUserId());
        sysUser.setPassword(forgetPasswordBody.getNewPassword());
        R<?> registerResult =  remoteUserService.forgetPassword(sysUser, SecurityConstants.INNER);
        if (R.FAIL == registerResult.getCode())
        {
            throw new ServiceException(registerResult.getMsg());
        }
    }
}
